Window-cleaning device.



H. F. STUBENRAUGH.

WINDOW CLEANINGDBVIGE. APILIGATION FILED MAY 19, 1913.

Patented Nov. 4, 1913.

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UNTTED STATEtd ATET QFFICE.

HERMAN F. STUBENRAUCH, OF CHICAGO, ILLINOIS.

WINDOW-CLEANING DEVICE.

To all whom it may concern:

Be it known that I, HERMAN F. STUBEN.

RAUCI-I, a citizen of the United States, and a resident of the city of Chicago, county of Cook, and State of Illinois, have invented certain new and useful Improvements in Window-Cleaning Devices, of which the following is a specification.

My invention relates to improvements in window cleaning devices and has for its object the production of a device of this character which will be of durable and economical construction and efficient in use. Other objects will appear hereinafter.

The invention consists in the combinations and arrangements of parts hereinafter described and claimed.

The invention will be best understood by reference to the accompanying drawing forming a part of this specification, and in which,

Figure 1 is a rear elevation of a window cleaning device embodying my invention, Fig. 2 is a side elevation thereof, Fig. 3 is a section taken on line ccx of Fig. 2, and, Fig. 4 is a detail side elevation of a portion of the device illustrating the amplitude of free rotary movement permitted the rotary tank of the device.

The preferred form of construction as illustrated in the drawing comprises a socket member 1 into which is fitted the tapering end of a handle 2, the latter being of any suitable length desired. Arranged at the outer end of the socket member 1 is a substantially U-shaped bearing member 3 detachably secured to said socket member by means of screws 4. The central portion of the bearing member 3, or that portion which contacts with the socket member 1 is looped or buckled as shown in order to snugly fit said socket member and conduce to a rigid connection between said parts.

Mounted in the bearing member 3 is a cylindrical tank 5 provided at its ends with trunnio-ns 6 which engage the outer ends of the side bars of said bearing member, as clearly shown in Fig. 3. Arranged upon the periphery of the tank 5 is a covering 7 of absorbent material such as wool or other suitable fabric. The peripheral wall of tank 5 is provided at one side with a line of discharge openings or perforations 8 through which, when the device is in use, the cleansing liquid contained in the tank is adapted Specification of Letters Patent.

Application filed May 18, 1913.

Patented Nov. 4, 1913. Serial No. 768,484.

to be discharged for absorption by the covering 7. Provided at one end of the tank 5 is a filling plug 9 through the mediumof which access may be gained to the interior of said tank for filling or emptying the same.

Provided at the opposite end of the tank 5 is an outwardly projecting lug or finger 10 adapted for engagement with the corresponding side of the bearing member 3 to serve as a stop for the tank to limit the amplitude of free rotary movement thereof.

.Said stop is adapted to engage against the opposite sides of the adjacent arm of the bearing 3, as clearly showin in Fig. 4, thereby rendering it impossible, during operation of the device, to rotate the tank, in either direction, through more than one revolution. With this arrangement, in using the device, the tank will be oscillated back and forth in reciprocating the device upon the window pane effecting thorough agitation of the cleansing liquid within, such agitation being of advantage where certain compound liquids are used. Also, with this arrangement, when the tank has been turned through practically one revolution, and brought to a stop, the absorbent covering 7 will serve in the capacity of a brush or cloth, rubbing against the window pane to effect thorough cleansing thereof. During the oscillation of the tank the cleansing liquid contained therein will be discharged therefrom through the discharge opening 8, cffecting moistening of the covering 7 to assist in the washing operation. The discharge openings 8 are preferably so located relative to the stop pin 10 that when the tank is brought to a stop by reason of said pin contacting with the bearing 3, said openings will be positioned at the upper side of the tank preventing the discharge of liquid therefrom while the tank is stationary. This arrangement is of importance inasmuch as without the same the cleansing liquid contained in the tank would be discharged too freely.

Also carried by the outer end of the socket member 1 is a wiper consisting of an elongated bar 11 which is inclosed in a rubber tube 12, said wiper being secured to the T- formed outer end of said socket member by means of screws 13 and nuts 14. Vith this arrangement upon washing of the window through the medium of the member 5, the water or cleansing liquid transferred to the window by the moistened absorbent covering 7 of the tank 5, may be readily removed therefrom.

A device of the construction set forth is simple and economical in construction, and hence may be manufactured at a low cost and will be found highly eflicient in use.

While I have illustrated and described the preferred form of construction for carrying my invention into efiect, this is capable of variation and modification without departing from the spirit of the invention. I, therefore, do not wish to be limited to the precise details of construction set forth, but desire to avail myself of such variations and modifications as come within the scope of the appended claim.

Having described my invention what I claim as new and desire to secure by Letters Patent is:

A window cleaning device comprising a support, a cylindrical tank rotatably mounted in said support; an absorbent covering on the periphery of said tank, said tank having discharge openings over which said covering is arranged; and means for limiting the amplitude of free rotary movement of said tank, substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

HERMAN F. STUBENRAUCH.

Witnesses:

HELEN F. LILLIS, A. A. OLSON.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner or Patents,

' Washington, D. G. 

